Students taught science concepts by physical education activities achieved higher scores on an objective test of science concepts. (AL)

Piagetian tasks varying in complexity were administered to elementary school children in grades K-3. Differences between the attainment of similar concepts occurred when the tasks required different types of inference patterns, had different goals, or involved different percepts. Discusses curriculum implications. (AL)

Reports on a replication study to determine the relative effectiveness of two methods of instruction in teaching classificatory concepts and to determine whether maturity of children was related to level of understanding. (GS)

Investigated level of concept attainment of selected energy concepts for possible inclusion in the Nigerian Primary Science Project. Subjects (N=450) were taught energy concepts at descriptive, comparative, and quantitative levels. Suggests the need to describe these levels for particular grades and match curriculum with students' thinking…

Examined instructional materials, teacher planning, instruction, and student conceptions related to an activity unit on plants and photosynthesis. Reasons are offered about why the teacher was unsuccessful in helping students replace their misconceptions with scientific conceptions, although the teacher knew this misconception existed. (JN)